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(725) 333-9737

About Us

Dharam K. Samra or Sam is a thirty-eight year veteran of local and state law enforcement. Sam has conducted thousands of interviews and interrogations in a variety of criminal, administrative, and civil cases.
Sam holds a Master of Forensic Science degree from National University, two bachelor degrees from San Diego State University in history and criminal justice administration and an associates degree in law enforcement. Sam is currently working to obtain a Ph.D. through Capella University.
Sam received his initial polygraph training and advanced training under the late Cleve Backster at the Backster School of Lie Detection. Sam is now qualified to use federal polygraph formats as taught by the National Center For Credibility Assessment (NCCA).
Sam is a full member of the American Polygraph Association (APA) American Association of Police Polygraphists (AAPP) and the California Association of Polygraph Examiners (CAPE) and the International Association for Identification.
Sam is a Certified Forensic Law Enforcement Polygraph Examiner through the American Association of Police Polygraphists and holds a certificate in Post Conviction Sex Offender Testing from the APA and CAPE. Sam is a Certified Primary Instructor through the APA. He is certified by CAPE and APA for advanced and specialized training. Sam has more than 31 years experience as an investigator, detective and special agent. Sam is also an associate of several private detective agencies.
Sam is fluent and literate in Spanish.
Desert Polygraph or Dharam K. Samra Polygraph Examinations
Desert Polygraph was established in 2005 to meet the needs of polygraph testing in all of the Desert Southwest. There is no need to travel out of town for your polygraph exam.
Desert Polygraph
We are proud to serve you with your polygraph needs. No exams are too difficult.
We pride ourselves in conducting good, well prepared examinations. Results are provided after testing and quality control reviews are available as needed. We only used validated testing and scoring techniques. Let Sam put his training, education, and experience to work for you.
Hable a (725) 333-9737​ con sus preguntas.
Are you nervous or worried about taking a polygraph examination?
We can help in this regard. Sam takes his time in explaining the polygraph instrument and the areas measured and monitored with the instrument. Sam explains and ensures all questions asked are understood by the examinee.
Sam uses validated question formats listed and used by the National Center For Credibility Assessment and American Polygraph Association. His questions are short and directly related to the target issue. Sam will listen to the examinee and get necessary information to formulate appropriate questions.

Call Us Today At ♦ (725) 333-9737

YP Reviews

Desert Polygraph
Las Vegas, NV
ph: (725) 333-9737​